E.G:
1). Many members will recall there's been many break in at Army camps and many guns stolen over at least several decades.
2).The report here about 2 years back re an ex policeman who had sold 172 assorted handguns to teenagers in Pattaya in the preceeding 6 months. He had bought the handguns from various illegal sources, including 'sell/give me your handgun and i'll get the investigation your subject to dropped ...'.
3). I asked for a management consultant from the US with special economics analysis skills to join my team in Bkk for a week. He came, never been outside of the US before this assignment.
He arrived at our office about 9:00 am on first day, as expected. Opened his brief case and put a handgun on the desk. Staff all stood back and called me. I asked "Why did you bring this handgun into the office?" He launched into a loud spiel about his handgun being confiscated when he boarded his aircraft in the US, and about "I have no intention of walking around anywhere / any country without a sidearm."
I asked him where he got it, His response "I asked at the hotel lobby where I could quickly buy a handgun, the lobby staff didn't really understand 'handgun' so he quickly found a photo using his smartphone, then they suggested he go to Jatujuk market and ask there, he did that and 20 minutes later back in the taxi and back to his hotel with his purchase, no documents whatever. He didn't show the handgun to any hotel staff.
I explained (had to insist) that he could not go our clients office ( a very big very profesional Thai company) with a handgun in his bag.
He wanted to call his office in the US to demand they tell me it was all OK. I refused to engage in any such discussion and made it clear he had 2 choices 'lock the gun in our company safe or take the next flight back to the US.' He put it in our safe but he wasn't given the combination details.
Late that afternoon I asked him 'what are you going to do with the handgun when you leave Thailand? He responded 'put it in my cabin bag'. I assured him he wouldn't get the gun through the security check before boarding which produced the typical 'nobody tells me what to do'. He then indicated he would put it in his check-in bag. But when he got back to the US he discovered the locks on his suitcase had been opened and the bag taped shut with many metres of duct tape and the gun had been removed.
I have no details where the handgun was removed from his suitcase but I suspect it was removed at Bangkok airport.